Electromagnetic Radiation Definition
Electromagnetic radiation transfers energy via waves, varying from radio waves to gamma rays. For example, visible light is a type of electromagnetic radiation.
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Electromagnetic Spectrum
Fun Facts
- Electromagnetic radiation can travel through empty space.
- Not all forms of electromagnetic radiation are harmful.
- Electromagnetic radiation other than visible light can be used to view an object. For example, bees use ultraviolet waves to help them see patterns on flowers.
Why Do We Need To Know About Electromagnetic Radiation
Learning about electromagnetic radiation helps us understand how things work around us and how important it is for our daily lives. For example, we use it for seeing (light), talking on the phone or watching TV (radio waves), cooking (microwaves), staying warm (infrared), and getting sunlight (ultraviolet). It’s not just about staying alive; it also makes our lives better through new tech and health care.
Also, many jobs in science and technology need a good understanding of electromagnetic radiation. For example, radiologists are doctors who use X-rays to look at your bones and help fix them. Astronomers, who study stars and space, use telescopes that can catch radio waves to watch stars explode. These jobs show how electromagnetic waves are key in creating new things and solving problems.
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